Complete the sentence to describe demand paging.
Demand paging loads a page into memory only when it is [1].Demand paging means pages are loaded into memory only when they are actually referenced (used) by a process.
Complete the sentence to explain what causes a page fault.
A page fault occurs when a process tries to access a page that is not currently [1] in memory.
A page fault happens when the page needed is not loaded in physical memory, so the system must load it from disk.
Fix the error in the statement about demand paging.
Demand paging loads pages of a process into memory on [1].Demand paging loads pages only when they are demanded (needed), not all at once.
Fill both blanks to complete the demand paging process description.
When a page fault occurs, the operating system [1] the page from [2] into memory.
On a page fault, the OS loads the needed page from disk into memory.
Fill all three blanks to describe the page replacement step in demand paging.
If memory is full, the OS [1] a page using a [2] algorithm and then [3] the new page.
When memory is full, the OS removes a page using a replacement algorithm like FIFO, then loads the new page.